termovana Stella, Инструкция по установке, эксплуатации и обслуживанию

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17
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Check to see that the water circuit is perfectly sealed and that the safety
valve works properly;
•
Check that the boiler is suitable for use with the type of gas available;
•
Open all doors and windows; make sure that there are no naked flames or
sparks; control that the gas supply circuit is perfectly sealed (according to
the provisions in force) and that the taps are open;
•
Make sure that the discharge pipes are clean and sealed;
•
Check that the voltage and the mains frequency are appropriate for the
values indicated on the boiler data plate;
•
Check the phase and neutral polarity of the appliance matches the electrical
mains polarity;
•
Make sure that the equipment is properly earthed;
•
Check the electrical connections of the external components (thermostats,
remote control, etc.), if supplied;
•
When loading the system, check that the plug of the automatic air purge
valve located on the pump is loose;
•
Make sure that the pump is not blocked; if so, remove the front plug to
unblock the driving shaft with a screwdriver;
•
If pressure is lower than 1 bar, feed more water into the circuit.
•
Make sure that the appropriate valves are open;
•
Open the gas inlet cock and apply some soapy water to all connections,
including the burner connections, to check tightness; eliminate any leaks, if
present.
•
Control the minimum and maximum gas pressure values at the burner, and
adjust them according to the values indicated in the chart;
•
Check that the flue pressure switch functions properly (C type model);
•
Make sure that there are no leaks in the fume discharge pipes;